.btn {
  display: inline-block;
  padding: 4px 10px;
  margin: 0;
  line-height: 1;
  color: #606266;
  text-align: center;
  font-size: 12px;
  white-space: nowrap;
  cursor: pointer;
  outline: 0;
  border-radius: 4px;
  background: #fff;
  border: none;
  box-sizing: border-box;
  transition: .1s;
}

.btn:hover {
  opacity: .9;
}

.btn-mini {
  padding: .12rem .24rem;
  font-size: .2rem;
}

.btn-small {
  padding: .16rem .28rem;
  font-size: .25rem;
}

.btn-medium {
  padding: 0.196rem .513rem;
  font-size: .33rem;
}

.btn.no-border {
  border: none;
}
